{"id":178466,"date":"2024-11-08T18:12:18","date_gmt":"2024-11-08T10:12:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/178466\/"},"modified":"2024-11-08T18:12:19","modified_gmt":"2024-11-08T10:12:19","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a41337-sqlstate-42000-er_sp_cursor_after_handler-%e8%99%95%e7%90%86%e7%a8%8b%e5%ba%8f%e8%81%b2%e6%98%8e%e5%be%8c%e7%9a%84%e6%b8%b8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/178466\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa41337 &#8211; SQLSTATE: 42000 (ER_SP_CURSOR_AFTER_HANDLER) \u8655\u7406\u7a0b\u5e8f\u8072\u660e\u5f8c\u7684\u6e38\u6a19\u8072\u660e"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a41337-sqlstate-42000-er_sp_cursor_after_handler-%e8%99%95%e7%90%86%e7%a8%8b%e5%ba%8f%e8%81%b2%e6%98%8e%e5%be%8c%e7%9a%84%e6%b8%b8-klhLCDGVwS\">\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa41337 &#8211; SQLSTATE: 42000 (ER_SP_CURSOR_AFTER_HANDLER) \u8655\u7406\u7a0b\u5e8f\u8072\u660e\u5f8c\u7684\u6e38\u6a19\u8072\u660e<\/h1>\n<p>\u5728\u4f7f\u7528MySQL\u6578\u64da\u5eab\u6642\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f\u932f\u8aa41337\uff0c\u8a72\u932f\u8aa4\u7684SQLSTATE\u4ee3\u78bc\u70ba42000\uff0c\u5177\u9ad4\u4fe1\u606f\u70ba\u201cER_SP_CURSOR_AFTER_HANDLER\u201d\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u767c\u751f\u5728\u5b58\u5132\u904e\u7a0b\u4e2d\uff0c\u7576\u6e38\u6a19\u7684\u8072\u660e\u4f4d\u65bc\u8655\u7406\u7a0b\u5e8f\u8072\u660e\u4e4b\u5f8c\u6642\uff0cMySQL\u6703\u5831\u544a\u6b64\u932f\u8aa4\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u8a72\u932f\u8aa4\u7684\u539f\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e5%8e%9f%e5%9b%a0%e5%88%86%e6%9e%90-klhLCDGVwS\">\u932f\u8aa4\u539f\u56e0\u5206\u6790<\/h2>\n<p>\u5728MySQL\u4e2d\uff0c\u5b58\u5132\u904e\u7a0b\u662f\u4e00\u7d44SQL\u8a9e\u53e5\u7684\u96c6\u5408\uff0c\u9019\u4e9b\u8a9e\u53e5\u53ef\u4ee5\u88ab\u591a\u6b21\u57f7\u884c\u3002\u7576\u4f60\u5728\u5b58\u5132\u904e\u7a0b\u4e2d\u4f7f\u7528\u6e38\u6a19\u6642\uff0c\u5fc5\u9808\u9075\u5faa\u4e00\u5b9a\u7684\u8a9e\u6cd5\u898f\u5247\u3002\u6839\u64daMySQL\u7684\u898f\u5b9a\uff0c\u6e38\u6a19\u7684\u8072\u660e\u5fc5\u9808\u5728\u8655\u7406\u7a0b\u5e8f\u8072\u660e\u4e4b\u524d\u3002\u82e5\u4e0d\u9075\u5faa\u9019\u4e00\u898f\u5247\uff0c\u5c31\u6703\u5c0e\u81f4\u932f\u8aa41337\u7684\u767c\u751f\u3002<\/p>\n<h3 id=\"%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a2%bc-klhLCDGVwS\">\u793a\u4f8b\u4ee3\u78bc<\/h3>\n<pre><code>DELIMITER \/\/\nCREATE PROCEDURE example_procedure()\nBEGIN\n    DECLARE done INT DEFAULT FALSE;\n    DECLARE cursor_example CURSOR FOR SELECT * FROM example_table;\n    DECLARE CONTINUE HANDLER FOR NOT FOUND SET done = TRUE;\n\n    OPEN cursor_example;\n    -- \u5176\u4ed6\u908f\u8f2f\nEND \/\/\nDELIMITER ;\n<\/code><\/pre>\n<p>\u5728\u4e0a\u8ff0\u4ee3\u78bc\u4e2d\uff0c\u6e38\u6a19\u7684\u8072\u660e\u4f4d\u65bc\u8655\u7406\u7a0b\u5e8f\u8072\u660e\u4e4b\u524d\uff0c\u56e0\u6b64\u4e0d\u6703\u5f15\u767c\u932f\u8aa4\u3002\u5982\u679c\u5c07\u6e38\u6a19\u7684\u8072\u660e\u79fb\u5230\u8655\u7406\u7a0b\u5e8f\u8072\u660e\u4e4b\u5f8c\uff0c\u5247\u6703\u51fa\u73fe\u932f\u8aa41337\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9%e9%8c%af%e8%aa%a41337-klhLCDGVwS\">\u5982\u4f55\u4fee\u5fa9\u932f\u8aa41337<\/h2>\n<p>\u8981\u4fee\u5fa9\u6b64\u932f\u8aa4\uff0c\u958b\u767c\u8005\u9700\u8981\u78ba\u4fdd\u6e38\u6a19\u7684\u8072\u660e\u5728\u8655\u7406\u7a0b\u5e8f\u8072\u660e\u4e4b\u524d\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5177\u9ad4\u7684\u6b65\u9a5f\uff1a<\/p>\n<ul>\n<li><strong>\u6aa2\u67e5\u5b58\u5132\u904e\u7a0b\u7684\u7d50\u69cb\uff1a<\/strong>\u78ba\u4fdd\u6e38\u6a19\u7684\u8072\u660e\u5728\u6240\u6709\u8655\u7406\u7a0b\u5e8f\u8072\u660e\u4e4b\u524d\u3002<\/li>\n<li><strong>\u91cd\u69cb\u4ee3\u78bc\uff1a<\/strong>\u5982\u679c\u767c\u73fe\u6e38\u6a19\u8072\u660e\u5728\u8655\u7406\u7a0b\u5e8f\u4e4b\u5f8c\uff0c\u8acb\u5c07\u5176\u79fb\u52d5\u5230\u6b63\u78ba\u7684\u4f4d\u7f6e\u3002<\/li>\n<li><strong>\u6e2c\u8a66\u5b58\u5132\u904e\u7a0b\uff1a<\/strong>\u5728\u4fee\u5fa9\u5f8c\uff0c\u57f7\u884c\u5b58\u5132\u904e\u7a0b\u4ee5\u78ba\u4fdd\u932f\u8aa4\u5df2\u88ab\u4fee\u5fa9\u3002<\/li>\n<\/ul>\n<h3 id=\"%e4%bf%ae%e5%be%a9%e7%a4%ba%e4%be%8b-klhLCDGVwS\">\u4fee\u5fa9\u793a\u4f8b<\/h3>\n<pre><code>DELIMITER \/\/\nCREATE PROCEDURE fixed_example_procedure()\nBEGIN\n    DECLARE done INT DEFAULT FALSE;\n    DECLARE CONTINUE HANDLER FOR NOT FOUND SET done = TRUE;\n    DECLARE cursor_fixed CURSOR FOR SELECT * FROM example_table;\n\n    OPEN cursor_fixed;\n    -- \u5176\u4ed6\u908f\u8f2f\nEND \/\/\nDELIMITER ;\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4fee\u5fa9\u793a\u4f8b\u4e2d\uff0c\u8655\u7406\u7a0b\u5e8f\u8072\u660e\u4f4d\u65bc\u6e38\u6a19\u8072\u660e\u4e4b\u524d\uff0c\u9019\u6a23\u5c31\u4e0d\u6703\u5f15\u767c\u932f\u8aa41337\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-klhLCDGVwS\">\u7e3d\u7d50<\/h2>\n<p>MySQL\u932f\u8aa41337\uff08SQLSTATE: 42000\uff09\u901a\u5e38\u662f\u7531\u65bc\u6e38\u6a19\u8072\u660e\u7684\u4f4d\u7f6e\u4e0d\u6b63\u78ba\u6240\u5f15\u8d77\u7684\u3002\u901a\u904e\u78ba\u4fdd\u6e38\u6a19\u7684\u8072\u660e\u5728\u8655\u7406\u7a0b\u5e8f\u8072\u660e\u4e4b\u524d\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u6b64\u554f\u984c\u3002\u5c0d\u65bc\u4f7f\u7528MySQL\u7684\u958b\u767c\u8005\u4f86\u8aaa\uff0c\u4e86\u89e3\u9019\u4e9b\u7d30\u7bc0\u662f\u975e\u5e38\u91cd\u8981\u7684\uff0c\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u5728\u958b\u767c\u904e\u7a0b\u4e2d\u9047\u5230\u4e0d\u5fc5\u8981\u7684\u9ebb\u7169\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4ee5\u652f\u6301\u60a8\u7684\u6578\u64da\u5eab\u9700\u6c42\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u548c\u904b\u884c\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4fee\u5fa9MySQL\u932f\u8aa41337 (SQLSTATE: 42000) \u7684\u65b9\u6cd5\uff0c\u89e3\u6c7a\u8655\u7406\u7a0b\u5e8f\u8072\u660e\u5f8c\u6e38\u6a19\u8072\u660e\u7684\u554f\u984c\uff0c\u63d0\u5347\u6578\u64da\u5eab\u6027\u80fd\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-178466","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178466","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=178466"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178466\/revisions"}],"predecessor-version":[{"id":178467,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178466\/revisions\/178467"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=178466"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=178466"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=178466"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}